marking this confirmed. it affects multiple users, and i am replicating
this behavior with the Broadcom Corporation BCM4322 802.11a/b/g/n
Wireless LAN Controller [14e4:432b] (rev 01) on the mainline kernel
daily build.
nathwill@loki-1545:~$ uname -a
Linux loki-1545 3.5.0-999-generic #201207190406 SMP Thu Jul 19 08:07:34 UTC
2012 x86_64 x86_64 x86_64 GNU/Linux
nathwill@loki-1545:~$ ip route
default via 192.168.1.1 dev wlan0 proto static
10.0.3.0/24 dev lxcbr0 proto kernel scope link src 10.0.3.1
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.100 metric 9
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
nathwill@loki-1545:~$ ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_req=1 ttl=64 time=9.72 ms
64 bytes from 192.168.1.1: icmp_req=2 ttl=64 time=12.7 ms
64 bytes from 192.168.1.1: icmp_req=3 ttl=64 time=3.62 ms
64 bytes from 192.168.1.1: icmp_req=4 ttl=64 time=3.60 ms
64 bytes from 192.168.1.1: icmp_req=5 ttl=64 time=5.33 ms
64 bytes from 192.168.1.1: icmp_req=6 ttl=64 time=4.63 ms
64 bytes from 192.168.1.1: icmp_req=7 ttl=64 time=4.28 ms
^C
--- 192.168.1.1 ping statistics ---
7 packets transmitted, 7 received, 0% packet loss, time 6010ms
rtt min/avg/max/mdev = 3.609/6.282/12.767/3.289 ms
nathwill@loki-1545:~$ ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_req=1 ttl=64 time=0.931 ms
64 bytes from 192.168.1.1: icmp_req=3 ttl=64 time=26.1 ms
64 bytes from 192.168.1.1: icmp_req=5 ttl=64 time=49.2 ms
64 bytes from 192.168.1.1: icmp_req=7 ttl=64 time=43.5 ms
64 bytes from 192.168.1.1: icmp_req=8 ttl=64 time=9.15 ms
64 bytes from 192.168.1.1: icmp_req=10 ttl=64 time=2.89 ms
64 bytes from 192.168.1.1: icmp_req=11 ttl=64 time=8.06 ms
64 bytes from 192.168.1.1: icmp_req=13 ttl=64 time=1.50 ms
64 bytes from 192.168.1.1: icmp_req=15 ttl=64 time=32.2 ms
64 bytes from 192.168.1.1: icmp_req=16 ttl=64 time=5.03 ms
64 bytes from 192.168.1.1: icmp_req=18 ttl=64 time=28.8 ms
64 bytes from 192.168.1.1: icmp_req=19 ttl=64 time=72.2 ms
^C
--- 192.168.1.1 ping statistics ---
21 packets transmitted, 12 received, 42% packet loss, time 20068ms
rtt min/avg/max/mdev = 0.931/23.311/72.203/21.884 ms
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/991232
Title:
14e4:432b Regression in wireless performance when on battery power
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